620676

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{821}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 1841280

約数和(自身を除く): 1220604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 821, 1642, 2463, 3284, 4926, 5747, 7389, 9852, 11494, 14778, 17241, 22167, 22988, 29556, 34482, 44334, 51723, 68964, 88668, 103446, 155169, 206892, 310338, 620676]

約数ペア:

[(1, 620676), (2, 310338), (3, 206892), (4, 155169), (6, 103446), (7, 88668), (9, 68964), (12, 51723), (14, 44334), (18, 34482), (21, 29556), (27, 22988), (28, 22167), (36, 17241), (42, 14778), (54, 11494), (63, 9852), (84, 7389), (108, 5747), (126, 4926), (189, 3284), (252, 2463), (378, 1642), (756, 821)]